# Source code for MDAnalysis.converters.base

    # -*- Mode: python; tab-width: 4; indent-tabs-mode:nil; coding:utf-8 -*-
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    # MDAnalysis --- https://www.mdanalysis.org
    # Copyright (c) 2006-2017 The MDAnalysis Development Team and contributors
    # (see the file AUTHORS for the full list of names)
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    # Released under the Lesser GNU Public Licence, v2.1 or any higher version
    #
    # Please cite your use of MDAnalysis in published work:
    #
    # R. J. Gowers, M. Linke, J. Barnoud, T. J. E. Reddy, M. N. Melo, S. L. Seyler,
    # D. L. Dotson, J. Domanski, S. Buchoux, I. M. Kenney, and O. Beckstein.
    # MDAnalysis: A Python package for the rapid analysis of molecular dynamics
    # simulations. In S. Benthall and S. Rostrup editors, Proceedings of the 15th
    # Python in Science Conference, pages 102-109, Austin, TX, 2016. SciPy.
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    # MDAnalysis: A Toolkit for the Analysis of Molecular Dynamics Simulations.
    # J. Comput. Chem. 32 (2011), 2319--2327, doi:10.1002/jcc.21787
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    """ Base classes --- :mod:`MDAnalysis.converters.base`
    ======================================================

    Converters output information to other libraries.

    .. autoclass:: ConverterBase
       :members:
       :inherited-members:
    """

    from .. import _CONVERTERS
    from ..coordinates.base import IOBase
    from ..lib.util import asiterable

    class _Convertermeta(type):
        # Auto register upon class creation
        def __init__(cls, name, bases, classdict):
            type.__init__(type, name, bases, classdict)
            try:
                fmt = asiterable(classdict["lib"])
            except KeyError:
                pass
            else:
                for f in fmt:
                    f = f.upper()
                    _CONVERTERS[f] = cls

    class ConverterBase(IOBase, metaclass=_Convertermeta):
        """Base class for converting to other libraries."""

        def __repr__(self):
            return "<{cls}>".format(cls=self.__class__.__name__)

        def convert(self, obj):
            raise NotImplementedError